(Gain the next level as a sorcery to add its ability.) Whenever you cast a noncreature spell, you may discard a card. If you do, draw a card. {2}{R}: Level 2 Noncreature spells you cast cost {1} less to cast. {2}{R}: Level 3 If a source you control would deal noncombat damage to an opponent or a permanent an opponent controls, it deals that much damage plus 2 instead.

Draw a card. Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Whenever you attack, you may discard a card. When you do, put a +1/+1 counter on target attacking creature. It gains trample until end of turn. Whenever you discard one or more cards, exile the top card of your library. You may play that card until your next end step.

You can't cast Jace Reawakened during your first, second, or third turns of the game. +1: Draw a card, then discard a card. +1: You may exile a nonland card with mana value 3 or less from your hand. If you do, it becomes plotted. −6: Until end of turn, whenever you cast a spell, copy it. You may choose new targets for the copy.

Start your engines! (If you have no speed, it starts at 1. It increases once on each of your turns when an opponent loses life. Max speed is 4.) When this enchantment enters, you may discard a card. If you do, draw two cards. Max speed — Sacrifice this enchantment: Creatures and Vehicles you control gain haste until end of turn.

Impending 4—{1}{U}{U} (If you cast this spell for its impending cost, it enters with four time counters and isn't a creature until the last is removed. At the beginning of your end step, remove a time counter from it.) Flying Whenever this permanent enters or attacks, draw two cards, then discard a card.

When this creature enters, you may discard a card. If you do, draw a card. Unearth {1}{R} ({1}{R}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Broadside Barrage deals 5 damage to target creature or planeswalker. Draw a card, then discard a card.

Draw two cards. Then you may discard two cards. When you do, Ill-Timed Explosion deals X damage to each creature, where X is the greatest mana value among cards discarded this way.

This spell costs {3} less to cast if it targets a permanent you control. Return up to two target nonland permanents to their owners' hands.

Flash When this creature enters, counter up to one target activated or triggered ability. If an ability of an artifact, creature, or planeswalker is countered this way, that permanent loses all abilities for as long as this creature remains on the battlefield. (Mana abilities can't be targeted.)